Seating.java

import java.util.Scanner;

public class Seating {

    /**
    *   Program:    Seating.java
    *   Purpose:    Yahoo! Answers
    *   Creator:    Chris Clarke
    *   Created:    22.09.2014
    */

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int rows, seatsPerRow, r, c;
        String choice;

        System.out.print("How many rows? ");
        rows = scan.nextInt();
        System.out.print("How many seats per row? ");
        seatsPerRow = scan.nextInt();
        boolean[][] seats = new boolean[rows][seatsPerRow];
        displaySeating(seats);

        while (true) {
            System.out.print("Choose a seat (eg \"1C\") or Q to quit: ");
            choice = scan.next();
            if (choice.equals("Q") || choice.equals("q")) break;
            r = Integer.parseInt(choice.substring(0, 1)) - 1;
            c = (int) (choice.charAt(1) - 'A');
            seats[r][c] = true;
            displaySeating(seats);
        } // end while
    } // end main()

    public static void displaySeating(boolean[][] seats) {
        System.out.print("\t");
        for (int i=0; i<seats[0].length; i++) {
            System.out.print((char)('A' + i)+"\t");
        } // end for
        System.out.println();
        for (int r=0; r<seats.length; r++) {
            System.out.print((r+1)+"\t");
            for (int s=0; s<seats[0].length; s++) {
                if (seats[r][s]) {
                    System.out.print("X\t");
                } else {
                    System.out.print("O\t");
                } // end if
            } // end for s
            System.out.println();
        } // end for r
    } // end displaySeating()
} // end class Seating